Uniswap / Uniswap/interface

Crash report: `TypeError: Cannot read properties of undefined (reading 'split')`

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Dominant language
TypeScript
Stars
5.5k
Forks
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PR merge metrics
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Description

URL

https://app.uniswap.org/#/vote?chain=mainnet

Error

TypeError: Cannot read properties of undefined (reading 'split')

Stacktrace

TypeError: Cannot read properties of undefined (reading 'split')
    at https://app.uniswap.org/static/js/42.c185c7db.chunk.js:1:16005
    at Array.map (<anonymous>)
    at https://app.uniswap.org/static/js/42.c185c7db.chunk.js:1:15826
    at Array.map (<anonymous>)
    at https://app.uniswap.org/static/js/42.c185c7db.chunk.js:1:15266
    at Object._i [as useMemo] (https://app.uniswap.org/static/js/35.f1b0d140.chunk.js:2:3432674)
    at t.useMemo (https://app.uniswap.org/static/js/35.f1b0d140.chunk.js:2:3350521)
    at J (https://app.uniswap.org/static/js/42.c185c7db.chunk.js:1:14990)
    at ne (https://app.uniswap.org/static/js/42.c185c7db.chunk.js:1:16764)
    at kt (https://app.uniswap.org/static/js/42.c185c7db.chunk.js:1:50793)

Device data

{
  "ua": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/100.0.4896.88 Safari/537.36",
  "browser": {
    "name": "Chrome",
    "version": "100.0.4896.88",
    "major": "100"
  },
  "engine": {
    "name": "Blink",
    "version": "100.0.4896.88"
  },
  "os": {
    "name": "Windows",
    "version": "10"
  },
  "device": {},
  "cpu": {
    "architecture": "amd64"
  }
}

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start by reproducing the crash at https://app.uniswap.org/#/vote?chain=mainnet and inspect the stack trace entries in static/js/42.c185c7db.chunk.js and static/js/35.f1b0d140.chunk.js. Trace the undefined value reaching split and verify that the vote page no longer crashes for the reported URL and browser context.

Written by the indexing model from the issue text.

Assessment

Tech stack
typescript
Domain
frontend
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
25/100

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